Soon afterwards Drusus was sent into Illyricum to be familiarised with military service, and to win the goodwill of the army. Tiberius also thought that it was better for the young prince, who was being demoralised by the luxury of the capital, to serve in a camp, while he felt himself the safer with both his sons in command of legions. However, he made a pretext of the Suevi, who were imploring help against the Cherusci. For when the Romans had departed and they were free from the fear of an invader, these tribes, according to the custom of the race, and then specially as rivals in fame, had turned their arms against each other. The strength of the two nations, the valour of their chiefs were equal. But the title of king rendered Maroboduus hated among his countrymen, while Arminius was regarded with favour as the champion of freedom.